Kaithal vs Salem
Side-by-side air quality comparison between Kaithal and Salem.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Kaithal | Salem |
|---|---|---|
| PM2.5(µg/m³) | 75.70 | 7.10 |
| PM10(µg/m³) | 424.70 | 8.30 |
| NO₂(µg/m³) | 0.10 | 1.90 |
| SO₂(µg/m³) | 8.10 | 6.20 |
| O₃(µg/m³) | 184.00 | 116.00 |
| CO(µg/m³) | 295.00 | 164.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kaithal averaged an AQI of 126 while Salem averaged 68 — a 58-point (85%) gap, with Kaithal the more polluted and Salem the cleaner of the two. On 365 days when both cities reported, Salem was cleaner on 313 of them; the average daily gap was 83 AQI points.
Seasonality & days
Kaithal peaks in November, while Salem peaks in April. Kaithal logged 0.7% Severe days and 41.400000000000006% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Kaithal 39 days, Salem 17 days.
Year-over-year progress
Kaithal has improved by 8 AQI points (6%) from 2019 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Kaithal reached AQI 467 at Rishi Nagar (HSPCB) on 2019-11-03; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Kaithal spans 1 CPCB stations with a 0-point spread (min 136, max 136); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Salem has better air quality with an AQI of 12 compared to Kaithal's 393. That's a significant difference of 381 points.